论文标题

宇宙学参数测量和中性氢21厘米天空调查与平方公里阵列

Cosmological parameter measurement and neutral hydrogen 21 cm sky survey with the Square Kilometre Array

论文作者

Xu, Yidong, Zhang, Xin

论文摘要

为了精确衡量宇宙学参数并回答宇宙学中的基本问题,除了提出的下一代光学调查项目外,还必须开发新的,强大的宇宙学探针。中性氢21厘米的天空调查将为研究晚期进化提供有前途的工具,有助于阐明暗能量的性质。平方公里阵列是世界上最大的射电望远镜,它将在不久的将来建造,它将将21厘米的宇宙学推向一个新时代,并在即将到来的几十年中大大促进了宇宙学的发展。

In order to precisely measure the cosmological parameters and answer the fundamental questions in cosmology, it is necessary to develop new, powerful cosmological probes, in addition to the proposed next-generation optical survey projects. The neutral hydrogen 21 cm sky surveys will provide a promising tool to study the late-universe evolution, helping shed light on the nature of dark energy. The Square Kilometre Array is the largest radio telescope in the world to be constructed in the near future, and it will push the 21 cm cosmology into a new era and greatly promote the development of cosmology in the forthcoming decades.

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